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Datwyler opens Delaware plant
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MIDDLETOWN, Del.—The sealing unit of Datwyler Holding A.G. celebrated the grand opening of its new medical manufacturing plant in Middletown. The site represents a $100 million investment,...
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MIDDLETOWN, Del.—The sealing unit of Datwyler Holding celebrated the grand opening of its new medical manufacturing plant in Middletown. MIDDLETOWN, Del.—The sealing unit of Datwyler Holding celebrated the grand opening of its new medical manufacturing plant in Middletown. $MIDDLETOWN, Del.—The sealing unit of Datwyler Holding celebrated the grand opening of its new medical manufacturing plant in Middletown.
Yokohama to combine R&D efforts into new center
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CORNELIUS, N.C.—Yokohama Tire Corp. has opened a new research and development facility in Cornelius, designed to bring together its R&D efforts into one location.Yokohama Development...
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CORNELIUS, N.C.—Yokohama has opened a new research and development facility in Cornelius, designed to bring together its research and development efforts into one location. CORNELIUS, N.C.—Yokohama has opened a new research and development facility in Cornelius, designed to bring together its research and development efforts into one location. $CORNELIUS, N.C.—Yokohama has opened a new research and development facility in Cornelius, designed to bring together its research and development efforts into one location.
Photos: Goodyear tires drive NASCAR tradition
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AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of ...
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AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of the 4,000-plus racing tires. AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of the 4,000-plus racing tires. $AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of the 4,000-plus racing tires.
Electrification shaking up rubber auto parts sector
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Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and...
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Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and technology. Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and technology. $Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and technology.
Evonik opens tire silicas plant in South Carolina
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GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry.The $120 million investment comes in...
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GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry. GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry. $GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry.
Long development journey pays off for Tweel, Michelin
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AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the ...
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AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the tire maker's easily recognizable product that combines a non-pneumatic tire with a polyurethane spoked wheel. AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the tire maker's easily recognizable product that combines a non-pneumatic tire with a polyurethane spoked wheel. $AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the tire maker's easily recognizable product that combines a non-pneumatic tire with a polyurethane spoked wheel.
Old Dana taps the fountain of youth
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MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future. Dana Inc. has made two key...
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MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future. MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future. $MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future.
Kent Elastomer to expand headquarters
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KENT, Ohio—Kent Elastomer Products Inc. is expanding its headquarters to accommodate its growing work force.The firm broke ground on an extension to the office area of its Kent facility,...
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KENT, Ohio—Kent Elastomer Products is expanding its headquarters to accommodate its growing work force. KENT, Ohio—Kent Elastomer Products is expanding its headquarters to accommodate its growing work force. $KENT, Ohio—Kent Elastomer Products is expanding its headquarters to accommodate its growing work force.
Private equity firm KKR set to acquire Minnesota Rubber & Plastics
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MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion L.L.C., which does business as Minnesota Rubber & Plastics, to global investment firm KKR & Co. L.P. Terms of the...
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MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion, which does business as Minnesota Rubber & Plastics, to global investment firm KKR. MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion, which does business as Minnesota Rubber & Plastics, to global investment firm KKR. $ MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion, which does business as Minnesota Rubber & Plastics, to global investment firm KKR.
Video: Miller calls Louisville Rubber Division meeting a success LOUISVILLE, Ky.—This week's ACS Rubber Division's International Elastomer Conference has been a success on all levels, according to Executive Director Ed Miller. LOUISVILLE, Ky.—This week's ACS Rubber Division's International Elastomer Conference has been a success on all levels, according to Executive Director Ed Miller. $LOUISVILLE, Ky.—This week's ACS Rubber Division's International Elastomer Conference has been a success on all levels, according to Executive Director Ed Miller.
Digital Edition
Digital Edition
Published on January 1, 2007

SBR Latex for Asphalt Emulsion-Based Paving Applications

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Date Published January 1, 2007
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This Report has been authored by:Chris Lubbers at BASF Corp.

For developed countries, environmental focus has shifted from pollution prevention to sustainable development. It has been realized in the paving industry that preventative maintenance of existing roadways is the most financially effective use of available resources. Surface treatments applied to an existing pavement for preventative maintenance are the most significant application of polymer-modified asphalt emulsions. They are economical, easy to place, resist traffic abrasion and provide a long lasting waterproof cover over the underlying structure. Chip seal, slurry seal and microsurfacing are examples of asphalt emulsion-based surface treatment techniques. Researchers at the University of Florida have observed changes in pavement distress mechanisms which may be related to changes in historical tire type and structure. Newer radial tires, as opposed to bias-ply tires, induce high transverse contact stresses on pavements, resulting in high near-surface lateral stresses, which cause longitudinal surface cracking and near-surface rutting and shoving. These transverse contact stresses generated by radial tires could be confined within a preventative maintenance surface treatment layer. To prevent aggregate loss from the surface treatment, the asphalt binder holding the aggregate in place has to withstand excess transverse stresses generated by radial truck tires and snowplow operations. A new Dynamic Shear Rheometry (DSR) procedure was developed to evaluate potential reduction in the strength of the asphalt emulsion residue under repeated high-strain deformation. Results obtained with this procedure demonstrate advantages of the SBR latex polymer-modified asphalt emulsion for improved aggregate retention and early strength development. 
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